// Copyright 2021 RoboMaster-OSS
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#ifndef RMOSS_PROJECTILE_MOTION__PROJECTILE_SOLVER_INTERFACE_HPP_
#define RMOSS_PROJECTILE_MOTION__PROJECTILE_SOLVER_INTERFACE_HPP_

#include <string>

namespace rmoss_projectile_motion
{

class ProjectileSolverInterface
{
public:
  // return true if transform successfully.
  virtual bool solve(double target_x, double target_h, double & angle) = 0;
  // get error message when solve() return false.
  virtual std::string error_message() = 0;
};

}  // namespace rmoss_projectile_motion

#endif  // RMOSS_PROJECTILE_MOTION__PROJECTILE_SOLVER_INTERFACE_HPP_
